Rudbeckia maxima

Plant type: perennial
Height: 4- 6 feet
Cultural Requirements: full sun, wet soil
Leaves:ovate or lance shaped, have 3 primary veins
Disease and Insects: mpmr
Hardiness: zone 6-8
spacing: 18- 36 inches

http://www.specialperennials.com/images/RPlants/Rudbeckia/rudbeckia_maxima_P9020073.JPG